Synopsis

GtkWidget *         popup_menu_button_new               (GtkWidget *child);
GtkWidget *         popup_menu_button_new_from_stock    (const gchar *stock_id);
GtkWidget *         popup_menu_button_new_type_color    ();
GtkWidget *         popup_menu_button_new_type_font     ();
void                popup_menu_close                    (GtkWidget *parent_button);
void                toggle_popup_menu                   (GtkWidget *parent_button);